I see you have already readed the big help thread, well, im not sure where to start.
And you are getting a
connect to the front server., this mean you can not even log in, just like if you don't have any internet at all, but obviously you have.
For some reason, something is blocking your FH connection.
What is the name of your internet service provider?
if you don't know, enter this page:
http://www.speedtest.net/Then in the left bottom corner of the test aplication should show the name just near from the rating starts.
This is just to know if your internet service provided is know to do blocking.